About: http://webisa.webdatacommons.org/313477482

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The magnetic field source need not include a coil; as known to those of skill in the art, a magnetic field may be generated by current flowing through various types of structures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr